41 datasets found
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Federal
Boundaries and Grid Cells of the North American, South American, and Cosumnes Study Areas for the Sacramento Metropolitan Shallow Aquifer Study Unit
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 49 wells used for domestic and small system drinking water supplies in Amador, Placer, Sutter, and... -
Federal
Boundaries and Grid Cells of the Redding-Red Bluff Shallow Aquifer Study Unit, 2018-2019
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 50 wells used for domestic and small-system drinking water supplies in Shasta and Tehama Counties,... -
Federal
Potential Explanatory Variables for Groundwater Quality in the Redding-Red Bluff Shallow Aquifer Assessment Study Unit, 2018-2019: California GAMA Priority Basin Project
Department of the Interior —
This data release codifies and attributes explanatory variables that could potentially influence groundwater quality at 50 groundwater wells used for domestic water... -
Federal
Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018
Department of the Interior —
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States:... -
Federal
DNA Sequencing of Selected Bacterial Growths in Samples from the Madera/Chowchilla-Kings Domestic Aquifer Study unit, 2014
Department of the Interior —
These data describe microbiological analyses performed on groundwater samples from domestic drinking water supply collected from 42 groundwater wells in the Central... -
Federal
DS796 California Groundwater Units
Department of the Interior —
The California Groundwater Units dataset classifies and delineates the State into one of three groundwater based polygon units: (1) those areas defined as alluvial... -
Federal
Detections of Fecal Indicator Bacteria and DNA Sequencing of Selected Bacterial Growths in Samples from the Madera/Chowchilla-Kings Domestic Aquifer Study unit, 2014: Results from the California GAMA Priority Basin Project
Department of the Interior —
These data describe microbiological analyses performed on groundwater samples from domestic drinking water supply collected from 42 groundwater wells in the Central... -
Federal
Groundwater-quality data and ancillary data for selected wells in the San Joaquin Valley, California, 1900-2015
Department of the Interior —
This report provides a full digitization of historic groundwater-quality and depth-to-water data from Mendenhall and others (1916) Water Supply Paper 398, “Ground... -
Federal
Modern groundwater-quality, depth, and well-construction data for selected wells in the San Joaquin Valley, California, 1993-2015
Department of the Interior —
Groundwater-quality data collected between 1993 and 2015 were compiled from the U.S. Geological Survey (USGS) National Water Information System (NWIS) database for... -
Federal
Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Results from the California GAMA Priority Basin Project (ver. 2.0, April 2022)
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 38 wells used for domestic and small system drinking water supply in the Coachella Valley of California... -
Federal
Groundwater-Quality Data in the Mojave Basin Shallow Aquifer Study Unit, 2018
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 49 wells used for domestic and small system drinking water supplies and 10 monitoring wells in San... -
Federal
Study Boundary and Grid Cells for the North and South American, Cosumnes, and Mokelumne River Watersheds Shallow Aquifer Study Unit
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 67 domestic wells and 1 spring used for domestic supply in Placer, El Dorado, Amador, and Calaveras... -
Federal
Groundwater-quality data in the Coachella Valley Domestic Supply Aquifer Study Unit, 2020: Results from the California GAMA Priority Basin Project (ver. 2.0, April 2022)
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 38 wells used for domestic and small system drinking water supply in the Coachella Valley of California... -
Federal
Groundwater-Quality Data in the Redding-Red Bluff Shallow Aquifer Study Unit, 2018-2019: Tables
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 50 wells used for domestic and small system drinking water supplies in Shasta and Tehama Counties,... -
Federal
Study Boundary and Grid Cells for the Mojave Basin Shallow Aquifer Study Unit
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 48 grid wells and 11 understanding wells screened in aquifers used for domestic supply in San Bernardino... -
Federal
California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Grid Cells for Assessment of Groundwater Resources
Department of the Interior —
The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and... -
Federal
Data for assessing the penetration depth post-1950s water in the Central Valley aquifer system, California (July 2022)
Department of the Interior —
This dataset provides groundwater ages estimates that were used in an assessment of the penetration depth of modern groundwater in the Central Valley aquifer system... -
Federal
Potential Explanatory Factors for Groundwater Quality in the Northern Sierra Nevada Foothills Domestic-Aquifer Assessment Study Units, 2015-2017: California GAMA Priority Basin Project
Department of the Interior —
This data release codifies and attributes explanatory factors that could potentially impact groundwater quality at 142 groundwater sites (wells or developed springs)... -
Federal
Water Quality data compiled for Groundwater development leads to decreasing arsenic concentrations in the San Joaquin Valley, California
Department of the Interior —
Groundwater arsenic concentrations in the San Joaquin Valley have varied over the decades from 1980 to 2019. This report was compiled to determine whether arsenic... -
Federal
Regions and Equal-Area Grid Cells in the San Joaquin Valley, California (Hansen and others, 2018)
Department of the Interior —
Northeast SJV (NESJV), Southeast SJV (SESJV), Western SJV (WSJV), and Southern SJV (SSJV). These regions were primarily defined from the California Department of...
41 datasets found